[petsc-dev] DACreate3d should work for 1 node in Z

[Jed Brown]

On Tue, Apr 19, 2011 at 22:44, Ethan Coon <ecoon at lanl.gov> wrote:

> The short answer -- make the z-size = s.  It's not that huge of a hit --
> the local arrays are 6*NX*NY*ndofs instead of 5*NX*NY*ndofs.
>

Indeed, though it is potentially about twice as much work because you only
have to evaluate residuals on the owned nodes.


>
> Otherwise, I'll try to implement the special-special case of
> DMDA_BOUNDARY_PERIODIC, P=1, zl=1, and s > 1 soon.
>

Great, thanks.
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